Finding the Fourth Proportional to 3,985,187.44, 5,499,530.76 and 2,266,307.68
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Solution
The fourth proportional to 3,985,187.44, 5,499,530.76 and 2,266,307.68 is: 3,127,488.73
Step by Step Solution
- Step 1: Write the proportion equation
3,985,187.44 : 5,499,530.76 = 2,266,307.68 : x - Step 2: Convert to fraction form
3,985,187.44/5,499,530.76 = 2,266,307.68/x - Step 3: Cross multiply
3,985,187.44x = 5,499,530.76 × 2,266,307.68 - Step 4: Simplify right side
3,985,187.44x = 12,463,628,797,784.24 - Step 5: Solve for x
x = 12,463,628,797,784.24/3,985,187.44 - Step 6: Final answer
x = 3,127,488.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.